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APNG Plug-In

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APNG plug-in provides Animated PNG (APNG) image file load and save modules for the GIMP.

Download source tar ball and more information at

If you have any suggestions, questions, or if you would like to contribute (by translating the plug-in for other languages, or by providing us with a Windows how-to or Mac OS X binary, for example), please contact daisuken at

Updated 19 May 2009:
APNG plug-in for Windows is available for download. Many thanks to Max Stepin!

Updated 28 Apr 2009:

How to install without replacing the system libpng library

If you have installed *patched* libpng at /usr/local/libpng,

1. You can use pkg-config to search patched libpng.

$ env PKG_CONFIG_PATH=/usr/local/libpng/pkgconfig:$PKG_CONFIG_PATH ./configure

2. Or, you can use --with-libpng-include=DIR and --with-libpng-lib=DIR options.

$ ./configure \
  --with-libpng-include=/usr/local/libpng/include \

After install, maybe you need LD_LIBRARY_PATH to search the runtime library path.

$ env LD_LIBRARY_PATH=/usr/local/libpng/lib gimp

"Automatically Detected" does not work

Because same as PNG is handled by PNG plug-in in the GIMP. Please select file type PNG+APNG image.

GIMP Version: 
Code License: 


This worked for me.

After adding the PPA, then just

sudo apt-get install gimp-apng

I tried adding it to my ppa list. The save button remained disabled.


310 680 bytes.

For Gimp 2.7.2 and +


The problem with the window, Export Image as PNG.
Is empty, I have only three buttons, Help, Export, Cancel.
GIMP 2.7.3 64bit portable (Partha)

I also had only "Help", "Export", and "Cancel", but I'm using the 32-bit plugin from the link in the top post and GIMP 2.6.11 from (not Partha's build)

My solution:

When I attempted to save a file, a Command Prompt window appeared behind the window with the 3 buttons. Scrolling up in that window, I read an error that GIMP was looking for the plugin not in my user folder, but in its installation folder (on Windows XP, by the way):

C:\Program Files (x86)\GIMP-2.0\lib\gimp\2.0\plug-ins\

Moving the plugin's exe and ui files to that folder fixed the "only 3 buttons" problem for me. Now when I save a PNG+APNG, a full settings window appears with animation options:


Remove ...\lib\gimp\2.0\plug-ins\file-png.exe

I checked again, it is removed for sure.
Still empty.
I have experience of APNG in GIMP.

Building it isn't an option for me.

Thanks man. You are exactly right. On my test image, the top layer and bottom layer in the layers dialog needed to be the same size as the overall image. Once I made those changes, the plugin worked perfectly.

Can't wait to see your next release!!


I was excited to see this plugin.

I am using libpng-1.2.43 patched with libpng-1.2.43-apng.patch.

When saving an APNG, I receive the following error..

libpng error: width and/or height in the first frame's fcTL don't match the ones in IHDR

Is this plugin compatible with a patched libpng-1.2.43?

Any suggestions on how to fix? This version of libpng is popular and used with Fedora 12 & will be used in the upcoming release of Fedora 13.



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